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first-order logic
IT	一阶逻辑
space	一级逻辑
first order logic
avia.	一级逻辑
space	一阶逻辑
English thesaurus
first-order logic
math.	first-order predicate logic (ssn)

first-order logic: 4 phrases in 3 subjects

Electronics	1
Space	2
Technology	1